tagrule.java

来自「一个eclipse插件源代码。用于web开发」· Java 代码 · 共 65 行

/*
 * $Header: /home/cvs/WEBPUMP2.0/WebPumpIDE_Src/WebPumpIDE/src/com/webpump/ui/bind/editors/TagRule.java,v 1.1.1.1 2004/07/01 09:07:41 wang_j Exp $
 * $Revision: 1.1.1.1 $
 * $Date: 2004/07/01 09:07:41 $
 *
 * ====================================================================
 *
 * The NanJing HopeRun(IT-FOREST) Software License, Version 2.0.0
 *
 * Copyright 2003-2004 by NanJing HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and
 *                        IT Forest Corporation
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of
 * HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and IT Forest Corporation.
 * You shall not disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into with
 * HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and IT Forest Corporation.
 */
package com.webpump.ui.bind.editors;

import org.eclipse.jface.text.rules.*;

/**
 * Class for rules which manager the perticular part of the 
 * document to display in some kind of the particular color
 * 
 * @author zhang_tx
 * @version 2.0.0 2004-2-13
 */
public class TagRule extends MultiLineRule {

    /** contributor of the class */
	public TagRule(IToken token) {
		super("<", ">", token);
	}
	/** detect the particular part of the document and display in some paticular color 
	 * 
	 * @param scanner    the scanner which can detect for some part of the document 
	 * @param sequence    the sequence to be display 
	 * @param eofAllowed    the end tag 
	 */
	protected boolean sequenceDetected(
		ICharacterScanner scanner,
		char[] sequence,
		boolean eofAllowed) {
		int c = scanner.read();
		if (sequence[0] == '<') {
			if (c == '?') {
				// processing instruction - abort
				scanner.unread();
				return false;
			}
			if (c == '!') {
				scanner.unread();
				// comment - abort
				return false;
			}
		} else if (sequence[0] == '>') {
			scanner.unread();
		}
		return super.sequenceDetected(scanner, sequence, eofAllowed);
	}
}